/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.sql.optimizer.rule.join_enum;
import com.foundationdb.sql.optimizer.plan.IndexScan;
import com.google.common.base.Function;
public final class GroupIndexGoalHooks {
public static void hookIntersectedIndexes(Function<? super IndexScan,Void> visitor) {
GroupIndexGoal.intersectionEnumerationHook = visitor;
}
public static void unhookIntersectedIndexes() {
hookIntersectedIndexes(null);
}
}